ChannelArrayLocalPtr ChannelArrayLocal::create(
ChannelLocalPtr const &channelLocal,
ChannelArrayRequester::shared_pointer const & channelArrayRequester,
PVStructurePtr const & pvRequest,
PVRecordPtr const &pvRecord)
{
PVFieldPtrArray const & pvFields = pvRequest->getPVFields();
if(pvFields.size()!=1) {
Status status(
Status::STATUSTYPE_ERROR,"invalid pvRequest");
ChannelArrayLocalPtr channelArray;
ArrayConstPtr array;
channelArrayRequester->channelArrayConnect(status,channelArray,array);
return channelArray;
}
PVFieldPtr pvField = pvFields[0];
string fieldName("");
while(true) {
string name = pvField->getFieldName();
if(fieldName.size()>0) fieldName += '.';
fieldName += name;
PVStructurePtr pvs = static_pointer_cast<PVStructure>(pvField);
PVFieldPtrArray const & pvfs = pvs->getPVFields();
if(pvfs.size()!=1) break;
pvField = pvfs[0];
}
size_t indfield = fieldName.find_first_of("field.");
if(indfield==0) {
fieldName = fieldName.substr(6);
}
pvField = pvRecord->getPVRecordStructure()->getPVStructure()->getSubField(fieldName);
if(!pvField) {
Status status(
Status::STATUSTYPE_ERROR,fieldName +" not found");
ChannelArrayLocalPtr channelArray;
ArrayConstPtr array;
channelArrayRequester->channelArrayConnect(
status,channelArray,array);
return channelArray;
}
if(pvField->getField()->getType()!=scalarArray
&& pvField->getField()->getType()!=structureArray
&& pvField->getField()->getType()!=unionArray)
{
Status status(
Status::STATUSTYPE_ERROR,fieldName +" not array");
ChannelArrayLocalPtr channelArray;
ArrayConstPtr array;
channelArrayRequester->channelArrayConnect(
status,channelArray,array);
return channelArray;
}
PVArrayPtr pvArray = static_pointer_cast<PVArray>(pvField);
PVArrayPtr pvCopy;
if(pvField->getField()->getType()==scalarArray) {
PVScalarArrayPtr xxx = static_pointer_cast<PVScalarArray>(pvField);
pvCopy = getPVDataCreate()->createPVScalarArray(
xxx->getScalarArray()->getElementType());
} else if(pvField->getField()->getType()==structureArray) {
PVStructureArrayPtr xxx = static_pointer_cast<PVStructureArray>(pvField);
pvCopy = getPVDataCreate()->createPVStructureArray(
xxx->getStructureArray()->getStructure());
} else {
PVUnionArrayPtr xxx = static_pointer_cast<PVUnionArray>(pvField);
pvCopy = getPVDataCreate()->createPVUnionArray(
xxx->getUnionArray()->getUnion());
}
ChannelArrayLocalPtr array(new ChannelArrayLocal(
channelLocal,
channelArrayRequester,
pvArray,
pvCopy,
pvRecord));
if(pvRecord->getTraceLevel()>0)
{
cout << "ChannelArrayLocal::create";
cout << " recordName " << pvRecord->getRecordName() << endl;
}
channelArrayRequester->channelArrayConnect(
Status::Ok, array, pvCopy->getArray());
return array;
}
